Image:
Butterflyfish larva

A 6 mm long butterflyfish larva, most likely a species of Chelmon or Coriadon. The fish was caught on an incoming tide in a surface-towed plankton net (250 µm mesh, 2 m long, 600 mm diameter mouth) just inside the mouth of the Richmond estuary at Ballina, New South Wales, 7 September 2011.